Multiple choice

Why is the sole of shoe groomed?

  1. To increase friction

  2. To decrease friction

  3. To reduce friction

  4. To increase pressure

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Shoe soles are grooved or groomed to INCREASE friction with walking surfaces. The treads provide edges that grip surfaces and channel away water, significantly improving traction and preventing slips. Without grooves, smooth soles would have much less grip.